Fucus subrepandus Forsskål, 1775: 192 (type locality: Tor, Sinai Peninsula, Egypt).
Sargassum subrepandum (Forsskål) C. Agardh, 1820a: 8–9.—Dickie, 1874b: 190.— J. Agardh, 1889: 95–96 ("[var.] forskolii'').— Reinbold, 1907: 562.— A. Gepp & E. Gepp, 1908: 182.— A. Gepp & E. Gepp, 1909: 392.— Jadin, 1935: 160.— Børgesen, 1941: 72–73.— Gerloff, 1957: 763.— Rhyne, 1971: 56.— Jaasund, 1976: 59, fig. 117.— Jaasund, 1977d: 518–519 ("var. forsskalii'').— Lawson, 1980: 28.— Mshigeni & D. Chapman, 1987: 222.
INDIAN OCEAN DISTRIBUTION: Diego Garcia Atoll, Mauritius, Réunion, Seychelles (Praslin Island), Tanzania.
Note: J. Agardh (l.c.) proposed Sargassum subrepandum "[var.] forskolii'' as the nomenclaturally typical form of the species. This name is invalid since it contravenes Art. 26.2, which requires the use of the autonym subrepandum.